<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList()">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <!--作用域插槽-->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini"
                       @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="showSetRoles(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 20, 30, 40]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      @close="addDialogClosed"
      width="50%">
      <el-form :model="addFrom" :rules="addFromRules" ref="addFromRef" label-width="100px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addFrom.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addFrom.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addFrom.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户信息对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      @close="editDialogClosed"
      width="50%">
      <el-form :model="editFrom" :rules="editFromRules" ref="editFormRef" label-width="100px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editFrom.username" :disabled="true"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editFrom.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog
      title="提示"
      :visible.sync="showRoleDialogVisible"
      width="50%" @close="closeShowRoleSelect()"
    >
      <div>
        <p>
           <span>
            姓名：{{userInfo.username}}
          </span>
        </p>
        <p>
           <span>
            电话：{{userInfo.mobile}}
          </span>
        </p>
        <p>
           <span>
             当前角色：{{userInfo.role_name}}
          </span>
        </p>
        <p>
          分配新角色：
        <el-select v-model="selectRoleValue" placeholder="请选择">
          <el-option
            v-for="item in roleList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id">
          </el-option>
        </el-select>
        </p>
      </div>

      <span slot="footer" class="dialog-footer">
    <el-button @click="showRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveUserRole()" >确 定</el-button>
  </span>
    </el-dialog>
  </div>

</template>
<script>
  export default {
    data() {
      var checkEmail = (rule, value, cb) => {
        //验证邮箱的正则
        const regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
        if (regEmail.test(value)) {
          return cb()
        } else {
          cb(new Error('请输入合法的邮箱'))
        }

      }
      var checkMobiel = (rule, value, cb) => {
        const regMobile = /^1[3456789]\d{9}$/
        if (regMobile.test(value)) {
          return cb()
        } else {
          cb(new Error('请输入合法的手机号'))
        }

      }
      return {
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10
        },
        userList: [],
        total: 0,
        addDialogVisible: false,
        editDialogVisible: false,
        //显示分配角色dialog
        showRoleDialogVisible: false,
        selectRoleValue: '',
        roleList: [],
        userInfo: {},
        roleTreeProps: {
          label: 'roleName',
          children: 'children'

        },

        addFrom: {},
        addFromRules: {
          username: [{
            required: true,
            message: '请输入用户名',
            triangle: 'blur'
          }, {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }],
          password: [{
            required: true,
            message: '请输入密码',
            triangle: 'blur'
          }, {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }],
          email: [{
            required: true,
            message: '请输入邮箱',
            triangle: 'blur'
          }, {
            min: 3,
            max: 20,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }, {
            validator: checkEmail,
            trigger: 'blur'
          }],
          mobile: [{
            required: true,
            message: '请输入手机号',
            triangle: 'blur'
          }, {
            min: 3,
            max: 20,
            message: '用户名的长度在3-20个字符之间',
            trigger: 'blur'
          }, {
            validator: checkMobiel,
            trigger: 'blur'
          }]
        },
        editFrom: {},
        editFromRules: {
          username: [{
            required: true,
            message: '请输入用户名',
            triangle: 'blur'
          }, {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }],
          email: [{
            required: true,
            message: '请输入邮箱',
            triangle: 'blur'
          }, {
            min: 3,
            max: 20,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }, {
            validator: checkEmail,
            trigger: 'blur'
          }],
          mobile: [{
            required: true,
            message: '请输入手机号',
            triangle: 'blur'
          }, {
            min: 3,
            max: 20,
            message: '用户名的长度在3-20个字符之间',
            trigger: 'blur'
          }, {
            validator: checkMobiel,
            trigger: 'blur'
          }]
        }

      }
    },
    created() {
      this.getUserList()
    },
    methods: {

      async getUserList() {
        const { data: res } = await this.$http.get('users', { params: this.queryInfo })
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
        this.userList = res.data.users
        this.total = res.data.total
      },
      //监听页面size大小
      handleSizeChange(newSize) {
        console.log(newSize)
        this.queryInfo.pagesize = newSize
        this.getUserList()
      },
      // 页数发生变化
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getUserList()
      },
      //监听switch状态的变化
      async userStateChanged(userInfo) {
        const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
        if (res.meta.status !== 200) {
          userInfo.mg_state = !userInfo.mg_state
          return this.$message.error('更新用户状态失败！')
        } else {
          return this.$message.success(res.meta.msg)
        }
      },
      addDialogClosed() {
        this.$refs.addFromRef.resetFields()
      },
      //添加用户
      addUser() {
        this.$refs.addFromRef.validate(async valid => {
            console.log(valid)
            if (!valid) {
              return
            } else {
              const { data: res } = await this.$http.post('users', this.addFrom)
              if (res.meta.status !== 201) return this.$message.error(res.meta.msg)
              this.$message.success('添加成功')
              this.addDialogVisible = false
              this.getUserList()
            }
          }
        )
      },
      async showEditDialog(id) {
        const { data: res } = await this.$http.get('users/' + id)

        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)

        this.editFrom = res.data

        this.editDialogVisible = true
      },
      editDialogClosed() {
        this.$refs.editFormRef.resetFields()
      },
      editUser() {
        this.$refs.editFormRef.validate(async valid => {
            if (!valid) {
              return
            } else {
              const { data: res } = await this.$http.put('users/' + this.editFrom.id, this.editFrom)
              if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
              this.$message.success('修改成功')
              this.editDialogVisible = false
              this.getUserList()
            }
          }
        )
      },
      async removeUserById(id) {
        const conformResult = await this.$confirm('此操作将永久删除该用戶, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if (conformResult == 'cancel') {
          return this.$message.success('取消用户删除！')
        }
        if (conformResult == 'confirm') {
          const { data: delRes } = await this.$http.delete('users/' + id)
          if (delRes.meta.status !== 200) {
            return this.$message.error(delRes.meta.msg)
          } else {
            this.$message.success('用户删除成功！')
            this.getUserList()
          }
        }
      },
      async showSetRoles(userInfo) {
        this.userInfo = userInfo
        this.showRoleDialogVisible = true
        const { data: res } = await this.$http.get('roles')
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
        this.roleList = res.data
      },
      async saveUserRole(){
        if(!this.selectRoleValue){
          return this.$message.error("请选择要重新分配的角色")
        }

        const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{'rid':this.selectRoleValue})
        if (res.meta.status!==200) return this.$message.error(res.meta.msg)
        this.$message.success(res.meta.msg)
        this.getUserList()
        this.showRoleDialogVisible = false

      },
      async closeShowRoleSelect(){
        this.userInfo = {}
        this.selectRoleValue = ''

      }



    }

  }
</script>
<style lang="less" scoped>


</style>
